| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Mugwort | Chestnut | Composites | Hazel | Heather | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Unidentified |
| January | 151 | 0 | 13 | 0 | 0 | 0 | 1 | 18 | 1 | 0 | 1 | 0 | 0 | 26 | 0 | 199 | 1 | 1 | 1 | 1 | 0 | 0 | 6 | 17 |
| February | 793 | 0 | 26 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 1 | 0 | 35 | 0 | 392 | 1 | 24 | 1 | 0 | 1 | 4 | 12 | 24 |
| March | 180 | 300 | 13 | 1 | 0 | 0 | 3 | 2 | 0 | 0 | 1 | 1 | 1 | 3 | 121 | 6 | 17 | 138 | 1 | 9 | 1 | 28 | 15 | 54 |
| April | 23 | 88 | 20 | 9 | 2 | 24 | 5 | 0 | 0 | 1 | 3 | 2 | 15 | 8 | 401 | 1 | 32 | 20 | 3 | 355 | 2 | 15 | 13 | 67 |
| May | 11 | 1 | 94 | 27 | 191 | 1 | 6 | 0 | 0 | 11 | 5 | 0 | 11 | 0 | 3 | 0 | 149 | 0 | 6 | 335 | 26 | 16 | 5 | 68 |
| June | 2 | 0 | 57 | 13 | 83 | 0 | 7 | 0 | 0 | 17 | 7 | 1 | 9 | 0 | 1 | 0 | 22 | 0 | 10 | 40 | 5 | 0 | 10 | 22 |
| July | 3 | 0 | 15 | 21 | 3 | 0 | 3 | 0 | 1 | 18 | 2 | 0 | 1 | 0 | 0 | 1 | 3 | 0 | 28 | 6 | 1 | 0 | 5 | 42 |
| August | 6 | 0 | 5 | 3 | 1 | 0 | 1 | 0 | 1 | 3 | 1 | 0 | 3 | 0 | 0 | 0 | 5 | 0 | 38 | 1 | 0 | 0 | 8 | 15 |
| September | 2 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | 11 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 13 | 1 | 0 | 0 | 1 | 11 |
| October | 15 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 7 | 1 | 0 | 0 | 1 | 5 |
| November | 42 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 5 |
| December | 24 | 0 | 3 | 0 | 0 | 0 | 0 | 11 | 1 | 0 | 1 | 0 | 0 | 10 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 4 | 5 |